JYX > Opinnäytteet > Pro gradu -tutkielmat > View Item
Precognitive visual processing and its relation to long-term physical activity
This material has a restricted access due to copyright reasons. It can be read at the workstation at Jyväskylä University Library reserved for the use of archival materials: https://kirjasto.jyu.fi/en/workspaces/facilities.
Visual mismatch negativity (vMMN) is recognized to represent human precognitive non-attended visual processing in the visual cortical and prefrontal areas. VMMN is an event-related potential (ERP) component of visual change detection recorded in the visual cortex. The aim of this thesis was to study whether there is a connection between long-term leisure time physical activity and precognitive visual processing in healthy young males. This connection was also studied between active and inactive monozygotic twin brothers. Second aim was to study if there is any relationship between body composition and vMMN. VMMN was recorded with electroencephalography (EEG) from 32 healthy young males, recruited from a cohort twin study. Among them 9 monozygotic twin pairs (n=18) were identified to be discordant in their leisure time physical activity. VMMN recording was conducted with a passive oddball paradigm with visual bars. Standard (90 %) and deviant (10 %) stimuli in different orientations were presented randomly as the subject’s attention was directed to a radio play. The difference waves from the standard and deviant responses were calculated. The vMMN peak latencies were measured from the difference waves and data was rectified and integral value (area under curve) calculated within the time window from 100 to 300 ms. The participants were divided into active group according to their leisure time physical activity from the past three years (3-year mean leisure time MET index). Active group had shorter vMMN latencies compared to inactive group in occipital electrodes. There were no significant differences in the difference wave integral values. There was a trend for significance in occipital electrode 71, suggesting that the integral value was larger in active group. Subgroup analysis did not provide any further significant results of the discordant twins. However, the results were in the same direction as in the first analysis. In the subgroup analysis a smaller fat percentage predicted a bigger difference wave integral value in occipital electrode 76. No further associations between body composition and vMMN were found. Physically active participants showed faster processing of the deviant stimulus compared to inactive individuals. There was a trend for more synchronized precognitive visual processing in the active twins but the results did not quite reach significance. There are no prior studies connecting physical activity and vMMN. These results indicate that precognitive non-attended visual processing is sensitive to long-term leisure time physical activity. ...
MetadataShow full item record
- Pro gradu -tutkielmat 
Showing items with similar title or keywords.
Long-term physical activity modifies automatic visual processing Pesonen, Heidi; Savic, Andrej M.; Kujala, Urho; Tarkka, Ina (Routledge, Taylor & Francis Group; International Society of Sport Psychology, 2019)Electrophysiologically registered visual mismatch negativity (vMMN) is known to represent automatic visual processing in human visual cortex. Since physical activity (PA) is generally beneficial to cerebrovascular function, ...
Twin studies on the association of physical activity with cognitive and cerebral outcomes Iso-Markku, Paula; Waller, Katja; Hautasaari, Pekka; Kaprio, Jaakko; Kujala, Urho M.; Tarkka, Ina M. (Elsevier, 2020)Regular physical activity (PA) offers positive effects on the human body. However, the effects of PA on cognition and in the brain are less clear. In this paper, we narratively review the relationship of PA with cognition ...
Aging-associated changes in auditory event-related potentials and their correlation to neuropsychological measures Kirjavainen, Ville (2015)Ikääntymiseen liittyvät muutokset auditiivisissa herätevasteissa ja niiden yhteys neuropsykologisiin testeihin. Ikääntyminen on yhteydessä muutoksiin sekä aistinvaraisessa prosessoinnissa että kognitiivisessa toiminnassa. ...
Long-term leisure-time physical activity and other health habits as predictors of objectively monitored late-life physical activity : A 40-year twin study Waller, Katja; Vähä-Ypyä, Henri; Törmäkangas, Timo; Hautasaari, Pekka; Lindgren, Noora; Iso-Markku, Paula; Heikkilä, Kauko; Rinne, Juha; Kaprio, Jaakko; Sievänen, Harri; Kujala, Urho (Nature Publishing Group, 2018)Moderate-to-vigorous physical activity (MVPA) in old age is an important indicator of good health and functional capacity enabling independent living. In our prospective twin cohort study with 616 individuals we investigated ...
Editorial : Visual mismatch negativity (vMMN) : A unique tool in investigating automatic processing Astikainen, Piia; Kreegipuu, Kairi; Czigler, István (Frontiers Media SA, 2022)